* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
    background-repeat: no-repeat;
    font-family: var(--font);
    color: #f48b8f;
    font-size: 20px;
    font-weight: 600;
}

:root {
   
    --button-bg1: #fbfaf8;
    --color: linear-gradient(-225deg, #D4FFEC 0%, #57F2CC 48%, #4596FB 100%);
    --button-bg: var(--button-bg1);
}

.calculator {
    width: 450px;
    height: 750px;
    margin: 50px auto;
    padding-top: 30px;
    background-color: var(--color);
    border-radius: 30px;
    box-shadow: inset 0px 0px 20px #57F2CC, inset -5px -5px 6px #4596FB;
}

.inp {
    display: flex;
    width: 85%;
    height: 200px;
    margin: 0 auto;
    border-radius: 30px;
    margin-bottom: 30px;
    align-items: center;
}

.gradualBox {
    width: 97%;
    height: 95%;
    margin: 0 auto;
    border-radius: 30px;
    background: var(--color);
    display: flex;
   align-items: end;
}

.inp .output {
    width: 100%;
    height: 50px;
    text-align: right;
    padding-right: 25px;
    padding-bottom: 10px;
    box-sizing: border-box;
    font-size: 24px;
    font-weight: 800;
    border: none;
    background-color: transparent;
    outline: none;
    color: #0951a8 !important;
}

.theme {
    width: 100%;
    height: 60px;
    display: flex;
    gap: 15px;
    justify-content: center;
}

.theme ul {
    width: 90px;
    height: 60px;
    border: none;
    border-radius: 20px;
    background: #fbfaf8;
    box-shadow: inset 5px 5px 6px #e5d3d4, inset -5px -5px 6px #ffffff;
}

.theme ul>button {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 20px;
    background: #fbfaf8;
    box-shadow: inset 5px 5px 6px #ffcfd2, inset -5px -5px 6px #ffffff;
    background: linear-gradient(to bottom, #fff, #fff);
    cursor: pointer;
}

.theme li {
    width: 350px;
    height: 320px;
    position: relative;
    left: -180px;
    top: 5px;
    background-color: white;
    display: none;
    opacity: 0.75;
}

.theme .prompt i {
    display: block;
    width: 25px;
    height: 25px;
    position: absolute;
    right: 0;
}

.theme .prompt p {
    text-align: center;
    padding: 90px 0;
    box-sizing: border-box;
}

.theme .prompt span {
    cursor: pointer;
}

.theme .prompt input {
    width: 70%;
    height: 50px;
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, 0);
}

.Fontcancel {
    position: absolute;
    left: 50px;
    bottom: 50px;
}

.highlight {
    background-color: pink;
}

.Fontconfirm {
    position: absolute;
    right: 50px;
    bottom: 50px;
}

.Colorcancel {
    position: absolute;
    left: 50px;
    bottom: 50px;
}

.Colorconfirm {
    position: absolute;
    right: 50px;
    bottom: 50px;
}

.number {
    width: 100%;
    height: 470px;
    display: flex;
    gap: 15px;
    align-content: center;
    flex-wrap: wrap;
    padding: 22.5px;
    box-sizing: border-box;
    margin-top: -10px;
    border-radius: 30px;
}

.number button {
    width: 90px;
    height: 70px;
    border: none;
    border-radius: 20px;
    background: #fbfaf8;
    box-shadow: inset 5px 5px 6px #57F2CC, inset -5px -5px 6px #D4FFEC;
    background: var(--button-bg);
    cursor: pointer;
    color: #57F2CC;
}

.number #str {
    box-shadow: inset 5px 5px 6px #57F2CC, inset -5px -5px 6px #D4FFEC;
    background: linear-gradient(-225deg, #D4FFEC 0%, #57F2CC 48%, #4596FB 100%);
    color: #fff;
}